21918199928

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{967}}^1\times {\mathrm{29209}}^1$

素因数の和:30279

約数の個数: 32

約数和(自身を含む): 41564661600

約数和(自身を除く): 19646461672

約数列:

[1, 2, 4, 8, 97, 194, 388, 776, 967, 1934, 3868, 7736, 29209, 58418, 93799, 116836, 187598, 233672, 375196, 750392, 2833273, 5666546, 11333092, 22666184, 28245103, 56490206, 112980412, 225960824, 2739774991, 5479549982, 10959099964, 21918199928]

約数ペア:

[(1, 21918199928), (2, 10959099964), (4, 5479549982), (8, 2739774991), (97, 225960824), (194, 112980412), (388, 56490206), (776, 28245103), (967, 22666184), (1934, 11333092), (3868, 5666546), (7736, 2833273), (29209, 750392), (58418, 375196), (93799, 233672), (116836, 187598)]