21484188

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 59754240

約数和(自身を除く): 38270052

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 227, 239, 396, 454, 478, 681, 717, 908, 956, 1362, 1434, 2043, 2151, 2497, 2629, 2724, 2868, 4086, 4302, 4994, 5258, 7491, 7887, 8172, 8604, 9988, 10516, 14982, 15774, 22473, 23661, 29964, 31548, 44946, 47322, 54253, 89892, 94644, 108506, 162759, 217012, 325518, 488277, 596783, 651036, 976554, 1193566, 1790349, 1953108, 2387132, 3580698, 5371047, 7161396, 10742094, 21484188]

約数ペア:

[(1, 21484188), (2, 10742094), (3, 7161396), (4, 5371047), (6, 3580698), (9, 2387132), (11, 1953108), (12, 1790349), (18, 1193566), (22, 976554), (33, 651036), (36, 596783), (44, 488277), (66, 325518), (99, 217012), (132, 162759), (198, 108506), (227, 94644), (239, 89892), (396, 54253), (454, 47322), (478, 44946), (681, 31548), (717, 29964), (908, 23661), (956, 22473), (1362, 15774), (1434, 14982), (2043, 10516), (2151, 9988), (2497, 8604), (2629, 8172), (2724, 7887), (2868, 7491), (4086, 5258), (4302, 4994)]