21796651240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{146051}}^1$

素因数の和:146123

約数の個数: 128

約数和(自身を含む): 61832574720

約数和(自身を除く): 40035923480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 52, 56, 65, 70, 82, 91, 104, 130, 140, 164, 182, 205, 260, 280, 287, 328, 364, 410, 455, 520, 533, 574, 728, 820, 910, 1066, 1148, 1435, 1640, 1820, 2132, 2296, 2665, 2870, 3640, 3731, 4264, 5330, 5740, 7462, 10660, 11480, 14924, 18655, 21320, 29848, 37310, 74620, 146051, 149240, 292102, 584204, 730255, 1022357, 1168408, 1460510, 1898663, 2044714, 2921020, 3797326, 4089428, 5111785, 5842040, 5988091, 7594652, 8178856, 9493315, 10223570, 11976182, 13290641, 15189304, 18986630, 20447140, 23952364, 26581282, 29940455, 37973260, 40894280, 41916637, 47904728, 53162564, 59880910, 66453205, 75946520, 77845183, 83833274, 106325128, 119761820, 132906410, 155690366, 167666548, 209583185, 239523640, 265812820, 311380732, 335333096, 389225915, 419166370, 531625640, 544916281, 622761464, 778451830, 838332740, 1089832562, 1556903660, 1676665480, 2179665124, 2724581405, 3113807320, 4359330248, 5449162810, 10898325620, 21796651240]

約数ペア:

[(1, 21796651240), (2, 10898325620), (4, 5449162810), (5, 4359330248), (7, 3113807320), (8, 2724581405), (10, 2179665124), (13, 1676665480), (14, 1556903660), (20, 1089832562), (26, 838332740), (28, 778451830), (35, 622761464), (40, 544916281), (41, 531625640), (52, 419166370), (56, 389225915), (65, 335333096), (70, 311380732), (82, 265812820), (91, 239523640), (104, 209583185), (130, 167666548), (140, 155690366), (164, 132906410), (182, 119761820), (205, 106325128), (260, 83833274), (280, 77845183), (287, 75946520), (328, 66453205), (364, 59880910), (410, 53162564), (455, 47904728), (520, 41916637), (533, 40894280), (574, 37973260), (728, 29940455), (820, 26581282), (910, 23952364), (1066, 20447140), (1148, 18986630), (1435, 15189304), (1640, 13290641), (1820, 11976182), (2132, 10223570), (2296, 9493315), (2665, 8178856), (2870, 7594652), (3640, 5988091), (3731, 5842040), (4264, 5111785), (5330, 4089428), (5740, 3797326), (7462, 2921020), (10660, 2044714), (11480, 1898663), (14924, 1460510), (18655, 1168408), (21320, 1022357), (29848, 730255), (37310, 584204), (74620, 292102), (146051, 149240)]