21110850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1091}}^1$

素因数の和:1152

約数の個数: 72

約数和(自身を含む): 58090032

約数和(自身を除く): 36979182

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 43, 45, 50, 75, 86, 90, 129, 150, 215, 225, 258, 387, 430, 450, 645, 774, 1075, 1091, 1290, 1935, 2150, 2182, 3225, 3273, 3870, 5455, 6450, 6546, 9675, 9819, 10910, 16365, 19350, 19638, 27275, 32730, 46913, 49095, 54550, 81825, 93826, 98190, 140739, 163650, 234565, 245475, 281478, 422217, 469130, 490950, 703695, 844434, 1172825, 1407390, 2111085, 2345650, 3518475, 4222170, 7036950, 10555425, 21110850]

約数ペア:

[(1, 21110850), (2, 10555425), (3, 7036950), (5, 4222170), (6, 3518475), (9, 2345650), (10, 2111085), (15, 1407390), (18, 1172825), (25, 844434), (30, 703695), (43, 490950), (45, 469130), (50, 422217), (75, 281478), (86, 245475), (90, 234565), (129, 163650), (150, 140739), (215, 98190), (225, 93826), (258, 81825), (387, 54550), (430, 49095), (450, 46913), (645, 32730), (774, 27275), (1075, 19638), (1091, 19350), (1290, 16365), (1935, 10910), (2150, 9819), (2182, 9675), (3225, 6546), (3273, 6450), (3870, 5455)]