21255450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:200

約数の個数: 96

約数和(自身を含む): 56460672

約数和(自身を除く): 35205222

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 61, 69, 75, 101, 115, 122, 138, 150, 183, 202, 230, 303, 305, 345, 366, 505, 575, 606, 610, 690, 915, 1010, 1150, 1403, 1515, 1525, 1725, 1830, 2323, 2525, 2806, 3030, 3050, 3450, 4209, 4575, 4646, 5050, 6161, 6969, 7015, 7575, 8418, 9150, 11615, 12322, 13938, 14030, 15150, 18483, 21045, 23230, 30805, 34845, 35075, 36966, 42090, 58075, 61610, 69690, 70150, 92415, 105225, 116150, 141703, 154025, 174225, 184830, 210450, 283406, 308050, 348450, 425109, 462075, 708515, 850218, 924150, 1417030, 2125545, 3542575, 4251090, 7085150, 10627725, 21255450]

約数ペア:

[(1, 21255450), (2, 10627725), (3, 7085150), (5, 4251090), (6, 3542575), (10, 2125545), (15, 1417030), (23, 924150), (25, 850218), (30, 708515), (46, 462075), (50, 425109), (61, 348450), (69, 308050), (75, 283406), (101, 210450), (115, 184830), (122, 174225), (138, 154025), (150, 141703), (183, 116150), (202, 105225), (230, 92415), (303, 70150), (305, 69690), (345, 61610), (366, 58075), (505, 42090), (575, 36966), (606, 35075), (610, 34845), (690, 30805), (915, 23230), (1010, 21045), (1150, 18483), (1403, 15150), (1515, 14030), (1525, 13938), (1725, 12322), (1830, 11615), (2323, 9150), (2525, 8418), (2806, 7575), (3030, 7015), (3050, 6969), (3450, 6161), (4209, 5050), (4575, 4646)]