21059431920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{2741}}^1\times {\mathrm{3557}}^1$

素因数の和:6320

約数の個数: 160

約数和(自身を含む): 72584907840

約数和(自身を除く): 51525475920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 2741, 3557, 5482, 7114, 8223, 10671, 10964, 13705, 14228, 16446, 17785, 21342, 21928, 24669, 27410, 28456, 32013, 32892, 35570, 41115, 42684, 43856, 49338, 53355, 54820, 56912, 64026, 65784, 71140, 74007, 82230, 85368, 96039, 98676, 106710, 109640, 123345, 128052, 131568, 142280, 148014, 160065, 164460, 170736, 192078, 197352, 213420, 219280, 246690, 256104, 284560, 296028, 320130, 328920, 370035, 384156, 394704, 426840, 480195, 493380, 512208, 592056, 640260, 657840, 740070, 768312, 853680, 960390, 986760, 1184112, 1280520, 1480140, 1536624, 1920780, 1973520, 2561040, 2960280, 3841560, 5920560, 7683120, 9749737, 19499474, 29249211, 38998948, 48748685, 58498422, 77997896, 87747633, 97497370, 116996844, 146246055, 155995792, 175495266, 194994740, 233993688, 263242899, 292492110, 350990532, 389989480, 438738165, 467987376, 526485798, 584984220, 701981064, 779978960, 877476330, 1052971596, 1169968440, 1316214495, 1403962128, 1754952660, 2105943192, 2339936880, 2632428990, 3509905320, 4211886384, 5264857980, 7019810640, 10529715960, 21059431920]

約数ペア:

[(1, 21059431920), (2, 10529715960), (3, 7019810640), (4, 5264857980), (5, 4211886384), (6, 3509905320), (8, 2632428990), (9, 2339936880), (10, 2105943192), (12, 1754952660), (15, 1403962128), (16, 1316214495), (18, 1169968440), (20, 1052971596), (24, 877476330), (27, 779978960), (30, 701981064), (36, 584984220), (40, 526485798), (45, 467987376), (48, 438738165), (54, 389989480), (60, 350990532), (72, 292492110), (80, 263242899), (90, 233993688), (108, 194994740), (120, 175495266), (135, 155995792), (144, 146246055), (180, 116996844), (216, 97497370), (240, 87747633), (270, 77997896), (360, 58498422), (432, 48748685), (540, 38998948), (720, 29249211), (1080, 19499474), (2160, 9749737), (2741, 7683120), (3557, 5920560), (5482, 3841560), (7114, 2960280), (8223, 2561040), (10671, 1973520), (10964, 1920780), (13705, 1536624), (14228, 1480140), (16446, 1280520), (17785, 1184112), (21342, 986760), (21928, 960390), (24669, 853680), (27410, 768312), (28456, 740070), (32013, 657840), (32892, 640260), (35570, 592056), (41115, 512208), (42684, 493380), (43856, 480195), (49338, 426840), (53355, 394704), (54820, 384156), (56912, 370035), (64026, 328920), (65784, 320130), (71140, 296028), (74007, 284560), (82230, 256104), (85368, 246690), (96039, 219280), (98676, 213420), (106710, 197352), (109640, 192078), (123345, 170736), (128052, 164460), (131568, 160065), (142280, 148014)]