21869028

素因数分解:

$2^2\times 3^5\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 58094400

約数和(自身を除く): 36225372

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 149, 151, 162, 243, 298, 302, 324, 447, 453, 486, 596, 604, 894, 906, 972, 1341, 1359, 1788, 1812, 2682, 2718, 4023, 4077, 5364, 5436, 8046, 8154, 12069, 12231, 16092, 16308, 22499, 24138, 24462, 36207, 36693, 44998, 48276, 48924, 67497, 72414, 73386, 89996, 134994, 144828, 146772, 202491, 269988, 404982, 607473, 809964, 1214946, 1822419, 2429892, 3644838, 5467257, 7289676, 10934514, 21869028]

約数ペア:

[(1, 21869028), (2, 10934514), (3, 7289676), (4, 5467257), (6, 3644838), (9, 2429892), (12, 1822419), (18, 1214946), (27, 809964), (36, 607473), (54, 404982), (81, 269988), (108, 202491), (149, 146772), (151, 144828), (162, 134994), (243, 89996), (298, 73386), (302, 72414), (324, 67497), (447, 48924), (453, 48276), (486, 44998), (596, 36693), (604, 36207), (894, 24462), (906, 24138), (972, 22499), (1341, 16308), (1359, 16092), (1788, 12231), (1812, 12069), (2682, 8154), (2718, 8046), (4023, 5436), (4077, 5364)]