21138604128

素因数分解:

$2^5\times 3^3\times {\mathrm{19}}^1\times {\mathrm{1287683}}^1$

素因数の和:1287721

約数の個数: 96

約数和(自身を含む): 64899273600

約数和(自身を除く): 43760669472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 96, 108, 114, 144, 152, 171, 216, 228, 288, 304, 342, 432, 456, 513, 608, 684, 864, 912, 1026, 1368, 1824, 2052, 2736, 4104, 5472, 8208, 16416, 1287683, 2575366, 3863049, 5150732, 7726098, 10301464, 11589147, 15452196, 20602928, 23178294, 24465977, 30904392, 34767441, 41205856, 46356588, 48931954, 61808784, 69534882, 73397931, 92713176, 97863908, 123617568, 139069764, 146795862, 185426352, 195727816, 220193793, 278139528, 293591724, 370852704, 391455632, 440387586, 556279056, 587183448, 660581379, 782911264, 880775172, 1112558112, 1174366896, 1321162758, 1761550344, 2348733792, 2642325516, 3523100688, 5284651032, 7046201376, 10569302064, 21138604128]

約数ペア:

[(1, 21138604128), (2, 10569302064), (3, 7046201376), (4, 5284651032), (6, 3523100688), (8, 2642325516), (9, 2348733792), (12, 1761550344), (16, 1321162758), (18, 1174366896), (19, 1112558112), (24, 880775172), (27, 782911264), (32, 660581379), (36, 587183448), (38, 556279056), (48, 440387586), (54, 391455632), (57, 370852704), (72, 293591724), (76, 278139528), (96, 220193793), (108, 195727816), (114, 185426352), (144, 146795862), (152, 139069764), (171, 123617568), (216, 97863908), (228, 92713176), (288, 73397931), (304, 69534882), (342, 61808784), (432, 48931954), (456, 46356588), (513, 41205856), (608, 34767441), (684, 30904392), (864, 24465977), (912, 23178294), (1026, 20602928), (1368, 15452196), (1824, 11589147), (2052, 10301464), (2736, 7726098), (4104, 5150732), (5472, 3863049), (8208, 2575366), (16416, 1287683)]