21356832

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:602

約数の個数: 96

約数和(自身を含む): 65245824

約数和(自身を除く): 43888992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 61, 84, 96, 112, 122, 168, 183, 224, 244, 336, 366, 427, 488, 521, 672, 732, 854, 976, 1042, 1281, 1464, 1563, 1708, 1952, 2084, 2562, 2928, 3126, 3416, 3647, 4168, 5124, 5856, 6252, 6832, 7294, 8336, 10248, 10941, 12504, 13664, 14588, 16672, 20496, 21882, 25008, 29176, 31781, 40992, 43764, 50016, 58352, 63562, 87528, 95343, 116704, 127124, 175056, 190686, 222467, 254248, 350112, 381372, 444934, 508496, 667401, 762744, 889868, 1016992, 1334802, 1525488, 1779736, 2669604, 3050976, 3559472, 5339208, 7118944, 10678416, 21356832]

約数ペア:

[(1, 21356832), (2, 10678416), (3, 7118944), (4, 5339208), (6, 3559472), (7, 3050976), (8, 2669604), (12, 1779736), (14, 1525488), (16, 1334802), (21, 1016992), (24, 889868), (28, 762744), (32, 667401), (42, 508496), (48, 444934), (56, 381372), (61, 350112), (84, 254248), (96, 222467), (112, 190686), (122, 175056), (168, 127124), (183, 116704), (224, 95343), (244, 87528), (336, 63562), (366, 58352), (427, 50016), (488, 43764), (521, 40992), (672, 31781), (732, 29176), (854, 25008), (976, 21882), (1042, 20496), (1281, 16672), (1464, 14588), (1563, 13664), (1708, 12504), (1952, 10941), (2084, 10248), (2562, 8336), (2928, 7294), (3126, 6832), (3416, 6252), (3647, 5856), (4168, 5124)]