21622500

素因数分解:

$2^2\times 3^2\times 5^4\times {\mathrm{31}}^2$

素因数の和:92

約数の個数: 135

約数和(自身を含む): 70573503

約数和(自身を除く): 48951003

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 125, 150, 155, 180, 186, 225, 250, 279, 300, 310, 372, 375, 450, 465, 500, 558, 620, 625, 750, 775, 900, 930, 961, 1116, 1125, 1250, 1395, 1500, 1550, 1860, 1875, 1922, 2250, 2325, 2500, 2790, 2883, 3100, 3750, 3844, 3875, 4500, 4650, 4805, 5580, 5625, 5766, 6975, 7500, 7750, 8649, 9300, 9610, 11250, 11532, 11625, 13950, 14415, 15500, 17298, 19220, 19375, 22500, 23250, 24025, 27900, 28830, 34596, 34875, 38750, 43245, 46500, 48050, 57660, 58125, 69750, 72075, 77500, 86490, 96100, 116250, 120125, 139500, 144150, 172980, 174375, 216225, 232500, 240250, 288300, 348750, 360375, 432450, 480500, 600625, 697500, 720750, 864900, 1081125, 1201250, 1441500, 1801875, 2162250, 2402500, 3603750, 4324500, 5405625, 7207500, 10811250, 21622500]

約数ペア:

[(1, 21622500), (2, 10811250), (3, 7207500), (4, 5405625), (5, 4324500), (6, 3603750), (9, 2402500), (10, 2162250), (12, 1801875), (15, 1441500), (18, 1201250), (20, 1081125), (25, 864900), (30, 720750), (31, 697500), (36, 600625), (45, 480500), (50, 432450), (60, 360375), (62, 348750), (75, 288300), (90, 240250), (93, 232500), (100, 216225), (124, 174375), (125, 172980), (150, 144150), (155, 139500), (180, 120125), (186, 116250), (225, 96100), (250, 86490), (279, 77500), (300, 72075), (310, 69750), (372, 58125), (375, 57660), (450, 48050), (465, 46500), (500, 43245), (558, 38750), (620, 34875), (625, 34596), (750, 28830), (775, 27900), (900, 24025), (930, 23250), (961, 22500), (1116, 19375), (1125, 19220), (1250, 17298), (1395, 15500), (1500, 14415), (1550, 13950), (1860, 11625), (1875, 11532), (1922, 11250), (2250, 9610), (2325, 9300), (2500, 8649), (2790, 7750), (2883, 7500), (3100, 6975), (3750, 5766), (3844, 5625), (3875, 5580), (4500, 4805)]