21938160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:335

約数の個数: 160

約数和(自身を含む): 76066560

約数和(自身を除く): 54128400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 283, 285, 304, 323, 340, 380, 408, 456, 510, 566, 570, 646, 680, 760, 816, 849, 912, 969, 1020, 1132, 1140, 1292, 1360, 1415, 1520, 1615, 1698, 1938, 2040, 2264, 2280, 2584, 2830, 3230, 3396, 3876, 4080, 4245, 4528, 4560, 4811, 4845, 5168, 5377, 5660, 6460, 6792, 7752, 8490, 9622, 9690, 10754, 11320, 12920, 13584, 14433, 15504, 16131, 16980, 19244, 19380, 21508, 22640, 24055, 25840, 26885, 28866, 32262, 33960, 38488, 38760, 43016, 48110, 53770, 57732, 64524, 67920, 72165, 76976, 77520, 80655, 86032, 91409, 96220, 107540, 115464, 129048, 144330, 161310, 182818, 192440, 215080, 230928, 258096, 274227, 288660, 322620, 365636, 384880, 430160, 457045, 548454, 577320, 645240, 731272, 914090, 1096908, 1154640, 1290480, 1371135, 1462544, 1828180, 2193816, 2742270, 3656360, 4387632, 5484540, 7312720, 10969080, 21938160]

約数ペア:

[(1, 21938160), (2, 10969080), (3, 7312720), (4, 5484540), (5, 4387632), (6, 3656360), (8, 2742270), (10, 2193816), (12, 1828180), (15, 1462544), (16, 1371135), (17, 1290480), (19, 1154640), (20, 1096908), (24, 914090), (30, 731272), (34, 645240), (38, 577320), (40, 548454), (48, 457045), (51, 430160), (57, 384880), (60, 365636), (68, 322620), (76, 288660), (80, 274227), (85, 258096), (95, 230928), (102, 215080), (114, 192440), (120, 182818), (136, 161310), (152, 144330), (170, 129048), (190, 115464), (204, 107540), (228, 96220), (240, 91409), (255, 86032), (272, 80655), (283, 77520), (285, 76976), (304, 72165), (323, 67920), (340, 64524), (380, 57732), (408, 53770), (456, 48110), (510, 43016), (566, 38760), (570, 38488), (646, 33960), (680, 32262), (760, 28866), (816, 26885), (849, 25840), (912, 24055), (969, 22640), (1020, 21508), (1132, 19380), (1140, 19244), (1292, 16980), (1360, 16131), (1415, 15504), (1520, 14433), (1615, 13584), (1698, 12920), (1938, 11320), (2040, 10754), (2264, 9690), (2280, 9622), (2584, 8490), (2830, 7752), (3230, 6792), (3396, 6460), (3876, 5660), (4080, 5377), (4245, 5168), (4528, 4845), (4560, 4811)]