21783828

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{727}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 55770624

約数和(自身を除く): 33986796

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 227, 454, 681, 727, 908, 1362, 1454, 2181, 2497, 2724, 2908, 4362, 4994, 7491, 7997, 8724, 9988, 14982, 15994, 23991, 29964, 31988, 47982, 95964, 165029, 330058, 495087, 660116, 990174, 1815319, 1980348, 3630638, 5445957, 7261276, 10891914, 21783828]

約数ペア:

[(1, 21783828), (2, 10891914), (3, 7261276), (4, 5445957), (6, 3630638), (11, 1980348), (12, 1815319), (22, 990174), (33, 660116), (44, 495087), (66, 330058), (132, 165029), (227, 95964), (454, 47982), (681, 31988), (727, 29964), (908, 23991), (1362, 15994), (1454, 14982), (2181, 9988), (2497, 8724), (2724, 7997), (2908, 7491), (4362, 4994)]