21208464

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4751}}^1$

素因数の和:4796

約数の個数: 60

約数和(自身を含む): 61281792

約数和(自身を除く): 40073328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4751, 9502, 14253, 19004, 28506, 38008, 42759, 57012, 76016, 85518, 114024, 147281, 171036, 228048, 294562, 342072, 441843, 589124, 684144, 883686, 1178248, 1325529, 1767372, 2356496, 2651058, 3534744, 5302116, 7069488, 10604232, 21208464]

約数ペア:

[(1, 21208464), (2, 10604232), (3, 7069488), (4, 5302116), (6, 3534744), (8, 2651058), (9, 2356496), (12, 1767372), (16, 1325529), (18, 1178248), (24, 883686), (31, 684144), (36, 589124), (48, 441843), (62, 342072), (72, 294562), (93, 228048), (124, 171036), (144, 147281), (186, 114024), (248, 85518), (279, 76016), (372, 57012), (496, 42759), (558, 38008), (744, 28506), (1116, 19004), (1488, 14253), (2232, 9502), (4464, 4751)]