21306205444

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1\times {\mathrm{659}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 38088167040

約数和(自身を除く): 16781961596

約数列:

[1, 2, 4, 73, 146, 263, 292, 421, 526, 659, 842, 1052, 1318, 1684, 2636, 19199, 30733, 38398, 48107, 61466, 76796, 96214, 110723, 122932, 173317, 192428, 221446, 277439, 346634, 442892, 554878, 693268, 1109756, 8082779, 12652141, 16165558, 20253047, 25304282, 32331116, 40506094, 50608564, 72966457, 81012188, 145932914, 291865828, 5326551361, 10653102722, 21306205444]

約数ペア:

[(1, 21306205444), (2, 10653102722), (4, 5326551361), (73, 291865828), (146, 145932914), (263, 81012188), (292, 72966457), (421, 50608564), (526, 40506094), (659, 32331116), (842, 25304282), (1052, 20253047), (1318, 16165558), (1684, 12652141), (2636, 8082779), (19199, 1109756), (30733, 693268), (38398, 554878), (48107, 442892), (61466, 346634), (76796, 277439), (96214, 221446), (110723, 192428), (122932, 173317)]