21127464

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:491

約数の個数: 96

約数和(自身を含む): 62211240

約数和(自身を除く): 41083776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 41, 51, 68, 72, 82, 102, 123, 136, 153, 164, 204, 246, 306, 328, 369, 408, 421, 492, 612, 697, 738, 842, 984, 1224, 1263, 1394, 1476, 1684, 2091, 2526, 2788, 2952, 3368, 3789, 4182, 5052, 5576, 6273, 7157, 7578, 8364, 10104, 12546, 14314, 15156, 16728, 17261, 21471, 25092, 28628, 30312, 34522, 42942, 50184, 51783, 57256, 64413, 69044, 85884, 103566, 128826, 138088, 155349, 171768, 207132, 257652, 293437, 310698, 414264, 515304, 586874, 621396, 880311, 1173748, 1242792, 1760622, 2347496, 2640933, 3521244, 5281866, 7042488, 10563732, 21127464]

約数ペア:

[(1, 21127464), (2, 10563732), (3, 7042488), (4, 5281866), (6, 3521244), (8, 2640933), (9, 2347496), (12, 1760622), (17, 1242792), (18, 1173748), (24, 880311), (34, 621396), (36, 586874), (41, 515304), (51, 414264), (68, 310698), (72, 293437), (82, 257652), (102, 207132), (123, 171768), (136, 155349), (153, 138088), (164, 128826), (204, 103566), (246, 85884), (306, 69044), (328, 64413), (369, 57256), (408, 51783), (421, 50184), (492, 42942), (612, 34522), (697, 30312), (738, 28628), (842, 25092), (984, 21471), (1224, 17261), (1263, 16728), (1394, 15156), (1476, 14314), (1684, 12546), (2091, 10104), (2526, 8364), (2788, 7578), (2952, 7157), (3368, 6273), (3789, 5576), (4182, 5052)]