21008016

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{6343}}^1$

素因数の和:6380

約数の個数: 60

約数和(自身を含む): 61359168

約数和(自身を除く): 40351152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 6343, 12686, 19029, 25372, 38058, 50744, 57087, 76116, 101488, 114174, 145889, 152232, 228348, 291778, 304464, 437667, 456696, 583556, 875334, 913392, 1167112, 1313001, 1750668, 2334224, 2626002, 3501336, 5252004, 7002672, 10504008, 21008016]

約数ペア:

[(1, 21008016), (2, 10504008), (3, 7002672), (4, 5252004), (6, 3501336), (8, 2626002), (9, 2334224), (12, 1750668), (16, 1313001), (18, 1167112), (23, 913392), (24, 875334), (36, 583556), (46, 456696), (48, 437667), (69, 304464), (72, 291778), (92, 228348), (138, 152232), (144, 145889), (184, 114174), (207, 101488), (276, 76116), (368, 57087), (414, 50744), (552, 38058), (828, 25372), (1104, 19029), (1656, 12686), (3312, 6343)]