21730500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{439}}^1$

素因数の和:475

約数の個数: 144

約数和(自身を含む): 74954880

約数和(自身を除く): 53224380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 125, 132, 150, 165, 180, 198, 220, 225, 250, 275, 300, 330, 375, 396, 439, 450, 495, 500, 550, 660, 750, 825, 878, 900, 990, 1100, 1125, 1317, 1375, 1500, 1650, 1756, 1980, 2195, 2250, 2475, 2634, 2750, 3300, 3951, 4125, 4390, 4500, 4829, 4950, 5268, 5500, 6585, 7902, 8250, 8780, 9658, 9900, 10975, 12375, 13170, 14487, 15804, 16500, 19316, 19755, 21950, 24145, 24750, 26340, 28974, 32925, 39510, 43461, 43900, 48290, 49500, 54875, 57948, 65850, 72435, 79020, 86922, 96580, 98775, 109750, 120725, 131700, 144870, 164625, 173844, 197550, 217305, 219500, 241450, 289740, 329250, 362175, 395100, 434610, 482900, 493875, 603625, 658500, 724350, 869220, 987750, 1086525, 1207250, 1448700, 1810875, 1975500, 2173050, 2414500, 3621750, 4346100, 5432625, 7243500, 10865250, 21730500]

約数ペア:

[(1, 21730500), (2, 10865250), (3, 7243500), (4, 5432625), (5, 4346100), (6, 3621750), (9, 2414500), (10, 2173050), (11, 1975500), (12, 1810875), (15, 1448700), (18, 1207250), (20, 1086525), (22, 987750), (25, 869220), (30, 724350), (33, 658500), (36, 603625), (44, 493875), (45, 482900), (50, 434610), (55, 395100), (60, 362175), (66, 329250), (75, 289740), (90, 241450), (99, 219500), (100, 217305), (110, 197550), (125, 173844), (132, 164625), (150, 144870), (165, 131700), (180, 120725), (198, 109750), (220, 98775), (225, 96580), (250, 86922), (275, 79020), (300, 72435), (330, 65850), (375, 57948), (396, 54875), (439, 49500), (450, 48290), (495, 43900), (500, 43461), (550, 39510), (660, 32925), (750, 28974), (825, 26340), (878, 24750), (900, 24145), (990, 21950), (1100, 19755), (1125, 19316), (1317, 16500), (1375, 15804), (1500, 14487), (1650, 13170), (1756, 12375), (1980, 10975), (2195, 9900), (2250, 9658), (2475, 8780), (2634, 8250), (2750, 7902), (3300, 6585), (3951, 5500), (4125, 5268), (4390, 4950), (4500, 4829)]