21991476

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2311}}^1$

素因数の和:2392

約数の個数: 48

約数和(自身を含む): 56190848

約数和(自身を除く): 34199372

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 61, 78, 122, 156, 183, 244, 366, 732, 793, 1586, 2311, 2379, 3172, 4622, 4758, 6933, 9244, 9516, 13866, 27732, 30043, 60086, 90129, 120172, 140971, 180258, 281942, 360516, 422913, 563884, 845826, 1691652, 1832623, 3665246, 5497869, 7330492, 10995738, 21991476]

約数ペア:

[(1, 21991476), (2, 10995738), (3, 7330492), (4, 5497869), (6, 3665246), (12, 1832623), (13, 1691652), (26, 845826), (39, 563884), (52, 422913), (61, 360516), (78, 281942), (122, 180258), (156, 140971), (183, 120172), (244, 90129), (366, 60086), (732, 30043), (793, 27732), (1586, 13866), (2311, 9516), (2379, 9244), (3172, 6933), (4622, 4758)]