21905632

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5147}}^1$

素因数の和:5183

約数の個数: 48

約数和(自身を含む): 51891840

約数和(自身を除く): 29986208

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 5147, 10294, 20588, 36029, 41176, 72058, 82352, 97793, 144116, 164704, 195586, 288232, 391172, 576464, 684551, 782344, 1152928, 1369102, 1564688, 2738204, 3129376, 5476408, 10952816, 21905632]

約数ペア:

[(1, 21905632), (2, 10952816), (4, 5476408), (7, 3129376), (8, 2738204), (14, 1564688), (16, 1369102), (19, 1152928), (28, 782344), (32, 684551), (38, 576464), (56, 391172), (76, 288232), (112, 195586), (133, 164704), (152, 144116), (224, 97793), (266, 82352), (304, 72058), (532, 41176), (608, 36029), (1064, 20588), (2128, 10294), (4256, 5147)]