21254160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 160

約数和(自身を含む): 71424000

約数和(自身を除く): 50169840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 59, 60, 76, 79, 80, 95, 114, 118, 120, 152, 158, 177, 190, 228, 236, 237, 240, 285, 295, 304, 316, 354, 380, 395, 456, 472, 474, 570, 590, 632, 708, 760, 790, 885, 912, 944, 948, 1121, 1140, 1180, 1185, 1264, 1416, 1501, 1520, 1580, 1770, 1896, 2242, 2280, 2360, 2370, 2832, 3002, 3160, 3363, 3540, 3792, 4484, 4503, 4560, 4661, 4720, 4740, 5605, 6004, 6320, 6726, 7080, 7505, 8968, 9006, 9322, 9480, 11210, 12008, 13452, 13983, 14160, 15010, 16815, 17936, 18012, 18644, 18960, 22420, 22515, 23305, 24016, 26904, 27966, 30020, 33630, 36024, 37288, 44840, 45030, 46610, 53808, 55932, 60040, 67260, 69915, 72048, 74576, 88559, 89680, 90060, 93220, 111864, 120080, 134520, 139830, 177118, 180120, 186440, 223728, 265677, 269040, 279660, 354236, 360240, 372880, 442795, 531354, 559320, 708472, 885590, 1062708, 1118640, 1328385, 1416944, 1771180, 2125416, 2656770, 3542360, 4250832, 5313540, 7084720, 10627080, 21254160]

約数ペア:

[(1, 21254160), (2, 10627080), (3, 7084720), (4, 5313540), (5, 4250832), (6, 3542360), (8, 2656770), (10, 2125416), (12, 1771180), (15, 1416944), (16, 1328385), (19, 1118640), (20, 1062708), (24, 885590), (30, 708472), (38, 559320), (40, 531354), (48, 442795), (57, 372880), (59, 360240), (60, 354236), (76, 279660), (79, 269040), (80, 265677), (95, 223728), (114, 186440), (118, 180120), (120, 177118), (152, 139830), (158, 134520), (177, 120080), (190, 111864), (228, 93220), (236, 90060), (237, 89680), (240, 88559), (285, 74576), (295, 72048), (304, 69915), (316, 67260), (354, 60040), (380, 55932), (395, 53808), (456, 46610), (472, 45030), (474, 44840), (570, 37288), (590, 36024), (632, 33630), (708, 30020), (760, 27966), (790, 26904), (885, 24016), (912, 23305), (944, 22515), (948, 22420), (1121, 18960), (1140, 18644), (1180, 18012), (1185, 17936), (1264, 16815), (1416, 15010), (1501, 14160), (1520, 13983), (1580, 13452), (1770, 12008), (1896, 11210), (2242, 9480), (2280, 9322), (2360, 9006), (2370, 8968), (2832, 7505), (3002, 7080), (3160, 6726), (3363, 6320), (3540, 6004), (3792, 5605), (4484, 4740), (4503, 4720), (4560, 4661)]