21633360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 160

約数和(自身を含む): 78090240

約数和(自身を除く): 56456880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 79, 80, 84, 105, 112, 120, 140, 158, 163, 168, 210, 237, 240, 280, 316, 326, 336, 395, 420, 474, 489, 553, 560, 632, 652, 790, 815, 840, 948, 978, 1106, 1141, 1185, 1264, 1304, 1580, 1630, 1659, 1680, 1896, 1956, 2212, 2282, 2370, 2445, 2608, 2765, 3160, 3260, 3318, 3423, 3792, 3912, 4424, 4564, 4740, 4890, 5530, 5705, 6320, 6520, 6636, 6846, 7824, 8295, 8848, 9128, 9480, 9780, 11060, 11410, 12877, 13040, 13272, 13692, 16590, 17115, 18256, 18960, 19560, 22120, 22820, 25754, 26544, 27384, 33180, 34230, 38631, 39120, 44240, 45640, 51508, 54768, 64385, 66360, 68460, 77262, 90139, 91280, 103016, 128770, 132720, 136920, 154524, 180278, 193155, 206032, 257540, 270417, 273840, 309048, 360556, 386310, 450695, 515080, 540834, 618096, 721112, 772620, 901390, 1030160, 1081668, 1352085, 1442224, 1545240, 1802780, 2163336, 2704170, 3090480, 3605560, 4326672, 5408340, 7211120, 10816680, 21633360]

約数ペア:

[(1, 21633360), (2, 10816680), (3, 7211120), (4, 5408340), (5, 4326672), (6, 3605560), (7, 3090480), (8, 2704170), (10, 2163336), (12, 1802780), (14, 1545240), (15, 1442224), (16, 1352085), (20, 1081668), (21, 1030160), (24, 901390), (28, 772620), (30, 721112), (35, 618096), (40, 540834), (42, 515080), (48, 450695), (56, 386310), (60, 360556), (70, 309048), (79, 273840), (80, 270417), (84, 257540), (105, 206032), (112, 193155), (120, 180278), (140, 154524), (158, 136920), (163, 132720), (168, 128770), (210, 103016), (237, 91280), (240, 90139), (280, 77262), (316, 68460), (326, 66360), (336, 64385), (395, 54768), (420, 51508), (474, 45640), (489, 44240), (553, 39120), (560, 38631), (632, 34230), (652, 33180), (790, 27384), (815, 26544), (840, 25754), (948, 22820), (978, 22120), (1106, 19560), (1141, 18960), (1185, 18256), (1264, 17115), (1304, 16590), (1580, 13692), (1630, 13272), (1659, 13040), (1680, 12877), (1896, 11410), (1956, 11060), (2212, 9780), (2282, 9480), (2370, 9128), (2445, 8848), (2608, 8295), (2765, 7824), (3160, 6846), (3260, 6636), (3318, 6520), (3423, 6320), (3792, 5705), (3912, 5530), (4424, 4890), (4564, 4740)]