21545544

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1277}}^1$

素因数の和:1342

約数の個数: 64

約数和(自身を含む): 58276800

約数和(自身を除く): 36731256

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 37, 38, 57, 74, 76, 111, 114, 148, 152, 222, 228, 296, 444, 456, 703, 888, 1277, 1406, 2109, 2554, 2812, 3831, 4218, 5108, 5624, 7662, 8436, 10216, 15324, 16872, 24263, 30648, 47249, 48526, 72789, 94498, 97052, 141747, 145578, 188996, 194104, 283494, 291156, 377992, 566988, 582312, 897731, 1133976, 1795462, 2693193, 3590924, 5386386, 7181848, 10772772, 21545544]

約数ペア:

[(1, 21545544), (2, 10772772), (3, 7181848), (4, 5386386), (6, 3590924), (8, 2693193), (12, 1795462), (19, 1133976), (24, 897731), (37, 582312), (38, 566988), (57, 377992), (74, 291156), (76, 283494), (111, 194104), (114, 188996), (148, 145578), (152, 141747), (222, 97052), (228, 94498), (296, 72789), (444, 48526), (456, 47249), (703, 30648), (888, 24263), (1277, 16872), (1406, 15324), (2109, 10216), (2554, 8436), (2812, 7662), (3831, 5624), (4218, 5108)]