21942340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 56689920

約数和(自身を除く): 34747580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 73, 76, 95, 113, 133, 140, 146, 190, 226, 266, 292, 365, 380, 452, 511, 532, 565, 665, 730, 791, 1022, 1130, 1330, 1387, 1460, 1582, 2044, 2147, 2260, 2555, 2660, 2774, 3164, 3955, 4294, 5110, 5548, 6935, 7910, 8249, 8588, 9709, 10220, 10735, 13870, 15029, 15820, 16498, 19418, 21470, 27740, 30058, 32996, 38836, 41245, 42940, 48545, 57743, 60116, 75145, 82490, 97090, 115486, 150290, 156731, 164980, 194180, 230972, 288715, 300580, 313462, 577430, 626924, 783655, 1097117, 1154860, 1567310, 2194234, 3134620, 4388468, 5485585, 10971170, 21942340]

約数ペア:

[(1, 21942340), (2, 10971170), (4, 5485585), (5, 4388468), (7, 3134620), (10, 2194234), (14, 1567310), (19, 1154860), (20, 1097117), (28, 783655), (35, 626924), (38, 577430), (70, 313462), (73, 300580), (76, 288715), (95, 230972), (113, 194180), (133, 164980), (140, 156731), (146, 150290), (190, 115486), (226, 97090), (266, 82490), (292, 75145), (365, 60116), (380, 57743), (452, 48545), (511, 42940), (532, 41245), (565, 38836), (665, 32996), (730, 30058), (791, 27740), (1022, 21470), (1130, 19418), (1330, 16498), (1387, 15820), (1460, 15029), (1582, 13870), (2044, 10735), (2147, 10220), (2260, 9709), (2555, 8588), (2660, 8249), (2774, 7910), (3164, 6935), (3955, 5548), (4294, 5110)]