21748100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1163}}^1$

素因数の和:1205

約数の個数: 72

約数和(自身を含む): 54559008

約数和(自身を除く): 32810908

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 25, 34, 44, 50, 55, 68, 85, 100, 110, 170, 187, 220, 275, 340, 374, 425, 550, 748, 850, 935, 1100, 1163, 1700, 1870, 2326, 3740, 4652, 4675, 5815, 9350, 11630, 12793, 18700, 19771, 23260, 25586, 29075, 39542, 51172, 58150, 63965, 79084, 98855, 116300, 127930, 197710, 217481, 255860, 319825, 395420, 434962, 494275, 639650, 869924, 988550, 1087405, 1279300, 1977100, 2174810, 4349620, 5437025, 10874050, 21748100]

約数ペア:

[(1, 21748100), (2, 10874050), (4, 5437025), (5, 4349620), (10, 2174810), (11, 1977100), (17, 1279300), (20, 1087405), (22, 988550), (25, 869924), (34, 639650), (44, 494275), (50, 434962), (55, 395420), (68, 319825), (85, 255860), (100, 217481), (110, 197710), (170, 127930), (187, 116300), (220, 98855), (275, 79084), (340, 63965), (374, 58150), (425, 51172), (550, 39542), (748, 29075), (850, 25586), (935, 23260), (1100, 19771), (1163, 18700), (1700, 12793), (1870, 11630), (2326, 9350), (3740, 5815), (4652, 4675)]