21235550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:162

約数の個数: 96

約数和(自身を含む): 49496832

約数和(自身を除く): 28261282

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 43, 50, 70, 83, 85, 86, 119, 166, 170, 175, 215, 238, 301, 350, 415, 425, 430, 581, 595, 602, 731, 830, 850, 1075, 1162, 1190, 1411, 1462, 1505, 2075, 2150, 2822, 2905, 2975, 3010, 3569, 3655, 4150, 5117, 5810, 5950, 7055, 7138, 7310, 7525, 9877, 10234, 14110, 14525, 15050, 17845, 18275, 19754, 24983, 25585, 29050, 35275, 35690, 36550, 49385, 49966, 51170, 60673, 70550, 89225, 98770, 121346, 124915, 127925, 178450, 246925, 249830, 255850, 303365, 424711, 493850, 606730, 624575, 849422, 1249150, 1516825, 2123555, 3033650, 4247110, 10617775, 21235550]

約数ペア:

[(1, 21235550), (2, 10617775), (5, 4247110), (7, 3033650), (10, 2123555), (14, 1516825), (17, 1249150), (25, 849422), (34, 624575), (35, 606730), (43, 493850), (50, 424711), (70, 303365), (83, 255850), (85, 249830), (86, 246925), (119, 178450), (166, 127925), (170, 124915), (175, 121346), (215, 98770), (238, 89225), (301, 70550), (350, 60673), (415, 51170), (425, 49966), (430, 49385), (581, 36550), (595, 35690), (602, 35275), (731, 29050), (830, 25585), (850, 24983), (1075, 19754), (1162, 18275), (1190, 17845), (1411, 15050), (1462, 14525), (1505, 14110), (2075, 10234), (2150, 9877), (2822, 7525), (2905, 7310), (2975, 7138), (3010, 7055), (3569, 5950), (3655, 5810), (4150, 5117)]