1821528030

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{971}}^1\times {\mathrm{8933}}^1$

素因数の和:9921

約数の個数: 64

約数和(自身を含む): 5001896448

約数和(自身を除く): 3180368418

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 971, 1942, 2913, 4855, 5826, 6797, 8933, 9710, 13594, 14565, 17866, 20391, 26799, 29130, 33985, 40782, 44665, 53598, 62531, 67970, 89330, 101955, 125062, 133995, 187593, 203910, 267990, 312655, 375186, 625310, 937965, 1875930, 8673943, 17347886, 26021829, 43369715, 52043658, 60717601, 86739430, 121435202, 130109145, 182152803, 260218290, 303588005, 364305606, 607176010, 910764015, 1821528030]

約数ペア:

[(1, 1821528030), (2, 910764015), (3, 607176010), (5, 364305606), (6, 303588005), (7, 260218290), (10, 182152803), (14, 130109145), (15, 121435202), (21, 86739430), (30, 60717601), (35, 52043658), (42, 43369715), (70, 26021829), (105, 17347886), (210, 8673943), (971, 1875930), (1942, 937965), (2913, 625310), (4855, 375186), (5826, 312655), (6797, 267990), (8933, 203910), (9710, 187593), (13594, 133995), (14565, 125062), (17866, 101955), (20391, 89330), (26799, 67970), (29130, 62531), (33985, 53598), (40782, 44665)]