21235704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3083}}^1$

素因数の和:3140

約数の個数: 64

約数和(自身を含む): 62173440

約数和(自身を除く): 40937736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 246, 287, 328, 492, 574, 861, 984, 1148, 1722, 2296, 3083, 3444, 6166, 6888, 9249, 12332, 18498, 21581, 24664, 36996, 43162, 64743, 73992, 86324, 126403, 129486, 172648, 252806, 258972, 379209, 505612, 517944, 758418, 884821, 1011224, 1516836, 1769642, 2654463, 3033672, 3539284, 5308926, 7078568, 10617852, 21235704]

約数ペア:

[(1, 21235704), (2, 10617852), (3, 7078568), (4, 5308926), (6, 3539284), (7, 3033672), (8, 2654463), (12, 1769642), (14, 1516836), (21, 1011224), (24, 884821), (28, 758418), (41, 517944), (42, 505612), (56, 379209), (82, 258972), (84, 252806), (123, 172648), (164, 129486), (168, 126403), (246, 86324), (287, 73992), (328, 64743), (492, 43162), (574, 36996), (861, 24664), (984, 21581), (1148, 18498), (1722, 12332), (2296, 9249), (3083, 6888), (3444, 6166)]