21129486

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{10267}}^1$

素因数の和:10293

約数の個数: 32

約数和(自身を含む): 49286400

約数和(自身を除く): 28156914

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 10267, 20534, 30801, 61602, 71869, 143738, 215607, 431214, 503083, 1006166, 1509249, 3018498, 3521581, 7043162, 10564743, 21129486]

約数ペア:

[(1, 21129486), (2, 10564743), (3, 7043162), (6, 3521581), (7, 3018498), (14, 1509249), (21, 1006166), (42, 503083), (49, 431214), (98, 215607), (147, 143738), (294, 71869), (343, 61602), (686, 30801), (1029, 20534), (2058, 10267)]