21812096

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 25189504

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 62, 64, 92, 124, 128, 184, 239, 248, 368, 478, 496, 713, 736, 956, 992, 1426, 1472, 1912, 1984, 2852, 2944, 3824, 3968, 5497, 5704, 7409, 7648, 10994, 11408, 14818, 15296, 21988, 22816, 29636, 30592, 43976, 45632, 59272, 87952, 91264, 118544, 170407, 175904, 237088, 340814, 351808, 474176, 681628, 703616, 948352, 1363256, 2726512, 5453024, 10906048, 21812096]

約数ペア:

[(1, 21812096), (2, 10906048), (4, 5453024), (8, 2726512), (16, 1363256), (23, 948352), (31, 703616), (32, 681628), (46, 474176), (62, 351808), (64, 340814), (92, 237088), (124, 175904), (128, 170407), (184, 118544), (239, 91264), (248, 87952), (368, 59272), (478, 45632), (496, 43976), (713, 30592), (736, 29636), (956, 22816), (992, 21988), (1426, 15296), (1472, 14818), (1912, 11408), (1984, 10994), (2852, 7648), (2944, 7409), (3824, 5704), (3968, 5497)]