21393954112

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{291439}}^1$

素因数の和:291519

約数の個数: 56

約数和(自身を含む): 45007662080

約数和(自身を除く): 23613707968

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 74, 124, 148, 248, 296, 496, 592, 992, 1147, 1184, 1984, 2294, 2368, 4588, 9176, 18352, 36704, 73408, 291439, 582878, 1165756, 2331512, 4663024, 9034609, 9326048, 10783243, 18069218, 18652096, 21566486, 36138436, 43132972, 72276872, 86265944, 144553744, 172531888, 289107488, 334280533, 345063776, 578214976, 668561066, 690127552, 1337122132, 2674244264, 5348488528, 10696977056, 21393954112]

約数ペア:

[(1, 21393954112), (2, 10696977056), (4, 5348488528), (8, 2674244264), (16, 1337122132), (31, 690127552), (32, 668561066), (37, 578214976), (62, 345063776), (64, 334280533), (74, 289107488), (124, 172531888), (148, 144553744), (248, 86265944), (296, 72276872), (496, 43132972), (592, 36138436), (992, 21566486), (1147, 18652096), (1184, 18069218), (1984, 10783243), (2294, 9326048), (2368, 9034609), (4588, 4663024), (9176, 2331512), (18352, 1165756), (36704, 582878), (73408, 291439)]