21669077375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{887}}^1$

素因数の和:1185

約数の個数: 64

約数和(自身を含む): 29988541440

約数和(自身を除く): 8319464065

約数列:

[1, 5, 11, 25, 55, 109, 125, 163, 275, 545, 815, 887, 1199, 1375, 1793, 2725, 4075, 4435, 5995, 8965, 9757, 13625, 17767, 20375, 22175, 29975, 44825, 48785, 88835, 96683, 110875, 144581, 149875, 195437, 224125, 243925, 444175, 483415, 722905, 977185, 1063513, 1219625, 1590391, 2220875, 2417075, 3614525, 4885925, 5317565, 7951955, 12085375, 15759329, 18072625, 24429625, 26587825, 39759775, 78796645, 132939125, 173352619, 198798875, 393983225, 866763095, 1969916125, 4333815475, 21669077375]

約数ペア:

[(1, 21669077375), (5, 4333815475), (11, 1969916125), (25, 866763095), (55, 393983225), (109, 198798875), (125, 173352619), (163, 132939125), (275, 78796645), (545, 39759775), (815, 26587825), (887, 24429625), (1199, 18072625), (1375, 15759329), (1793, 12085375), (2725, 7951955), (4075, 5317565), (4435, 4885925), (5995, 3614525), (8965, 2417075), (9757, 2220875), (13625, 1590391), (17767, 1219625), (20375, 1063513), (22175, 977185), (29975, 722905), (44825, 483415), (48785, 444175), (88835, 243925), (96683, 224125), (110875, 195437), (144581, 149875)]