21756444

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2579}}^1$

素因数の和:2642

約数の個数: 48

約数和(自身を含む): 54902400

約数和(自身を除く): 33145956

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 1406, 2109, 2579, 2812, 4218, 5158, 7737, 8436, 10316, 15474, 30948, 49001, 95423, 98002, 147003, 190846, 196004, 286269, 294006, 381692, 572538, 588012, 1145076, 1813037, 3626074, 5439111, 7252148, 10878222, 21756444]

約数ペア:

[(1, 21756444), (2, 10878222), (3, 7252148), (4, 5439111), (6, 3626074), (12, 1813037), (19, 1145076), (37, 588012), (38, 572538), (57, 381692), (74, 294006), (76, 286269), (111, 196004), (114, 190846), (148, 147003), (222, 98002), (228, 95423), (444, 49001), (703, 30948), (1406, 15474), (2109, 10316), (2579, 8436), (2812, 7737), (4218, 5158)]