21917123928

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2558021}}^1$

素因数の和:2558057

約数の個数: 96

約数和(自身を含む): 71829257760

約数和(自身を除く): 49912133832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 153, 168, 204, 238, 252, 306, 357, 408, 476, 504, 612, 714, 952, 1071, 1224, 1428, 2142, 2856, 4284, 8568, 2558021, 5116042, 7674063, 10232084, 15348126, 17906147, 20464168, 23022189, 30696252, 35812294, 43486357, 46044378, 53718441, 61392504, 71624588, 86972714, 92088756, 107436882, 130459071, 143249176, 161155323, 173945428, 184177512, 214873764, 260918142, 304404499, 322310646, 347890856, 391377213, 429747528, 521836284, 608808998, 644621292, 782754426, 913213497, 1043672568, 1217617996, 1289242584, 1565508852, 1826426994, 2435235992, 2739640491, 3131017704, 3652853988, 5479280982, 7305707976, 10958561964, 21917123928]

約数ペア:

[(1, 21917123928), (2, 10958561964), (3, 7305707976), (4, 5479280982), (6, 3652853988), (7, 3131017704), (8, 2739640491), (9, 2435235992), (12, 1826426994), (14, 1565508852), (17, 1289242584), (18, 1217617996), (21, 1043672568), (24, 913213497), (28, 782754426), (34, 644621292), (36, 608808998), (42, 521836284), (51, 429747528), (56, 391377213), (63, 347890856), (68, 322310646), (72, 304404499), (84, 260918142), (102, 214873764), (119, 184177512), (126, 173945428), (136, 161155323), (153, 143249176), (168, 130459071), (204, 107436882), (238, 92088756), (252, 86972714), (306, 71624588), (357, 61392504), (408, 53718441), (476, 46044378), (504, 43486357), (612, 35812294), (714, 30696252), (952, 23022189), (1071, 20464168), (1224, 17906147), (1428, 15348126), (2142, 10232084), (2856, 7674063), (4284, 5116042), (8568, 2558021)]