21936810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{14923}}^1$

素因数の和:14947

約数の個数: 48

約数和(自身を含む): 61248096

約数和(自身を除く): 39311286

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 14923, 29846, 44769, 74615, 89538, 104461, 149230, 208922, 223845, 313383, 447690, 522305, 626766, 731227, 1044610, 1462454, 1566915, 2193681, 3133830, 3656135, 4387362, 7312270, 10968405, 21936810]

約数ペア:

[(1, 21936810), (2, 10968405), (3, 7312270), (5, 4387362), (6, 3656135), (7, 3133830), (10, 2193681), (14, 1566915), (15, 1462454), (21, 1044610), (30, 731227), (35, 626766), (42, 522305), (49, 447690), (70, 313383), (98, 223845), (105, 208922), (147, 149230), (210, 104461), (245, 89538), (294, 74615), (490, 44769), (735, 29846), (1470, 14923)]