21949560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3209}}^1$

素因数の和:3245

約数の個数: 96

約数和(自身を含む): 75114000

約数和(自身を除く): 53164440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3209, 3420, 6418, 6840, 9627, 12836, 16045, 19254, 25672, 28881, 32090, 38508, 48135, 57762, 60971, 64180, 77016, 96270, 115524, 121942, 128360, 144405, 182913, 192540, 231048, 243884, 288810, 304855, 365826, 385080, 487768, 548739, 577620, 609710, 731652, 914565, 1097478, 1155240, 1219420, 1463304, 1829130, 2194956, 2438840, 2743695, 3658260, 4389912, 5487390, 7316520, 10974780, 21949560]

約数ペア:

[(1, 21949560), (2, 10974780), (3, 7316520), (4, 5487390), (5, 4389912), (6, 3658260), (8, 2743695), (9, 2438840), (10, 2194956), (12, 1829130), (15, 1463304), (18, 1219420), (19, 1155240), (20, 1097478), (24, 914565), (30, 731652), (36, 609710), (38, 577620), (40, 548739), (45, 487768), (57, 385080), (60, 365826), (72, 304855), (76, 288810), (90, 243884), (95, 231048), (114, 192540), (120, 182913), (152, 144405), (171, 128360), (180, 121942), (190, 115524), (228, 96270), (285, 77016), (342, 64180), (360, 60971), (380, 57762), (456, 48135), (570, 38508), (684, 32090), (760, 28881), (855, 25672), (1140, 19254), (1368, 16045), (1710, 12836), (2280, 9627), (3209, 6840), (3420, 6418)]