21104304

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1091}}^1$

素因数の和:1146

約数の個数: 80

約数和(自身を含む): 60662784

約数和(自身を除く): 39558480

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1091, 1209, 1488, 1612, 2182, 2418, 3224, 3273, 4364, 4836, 6448, 6546, 8728, 9672, 13092, 14183, 17456, 19344, 26184, 28366, 33821, 42549, 52368, 56732, 67642, 85098, 101463, 113464, 135284, 170196, 202926, 226928, 270568, 340392, 405852, 439673, 541136, 680784, 811704, 879346, 1319019, 1623408, 1758692, 2638038, 3517384, 5276076, 7034768, 10552152, 21104304]

約数ペア:

[(1, 21104304), (2, 10552152), (3, 7034768), (4, 5276076), (6, 3517384), (8, 2638038), (12, 1758692), (13, 1623408), (16, 1319019), (24, 879346), (26, 811704), (31, 680784), (39, 541136), (48, 439673), (52, 405852), (62, 340392), (78, 270568), (93, 226928), (104, 202926), (124, 170196), (156, 135284), (186, 113464), (208, 101463), (248, 85098), (312, 67642), (372, 56732), (403, 52368), (496, 42549), (624, 33821), (744, 28366), (806, 26184), (1091, 19344), (1209, 17456), (1488, 14183), (1612, 13092), (2182, 9672), (2418, 8728), (3224, 6546), (3273, 6448), (4364, 4836)]