21722472

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 65280000

約数和(自身を除く): 43557528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 67, 72, 76, 79, 108, 114, 134, 152, 158, 171, 201, 216, 228, 237, 268, 316, 342, 402, 456, 474, 513, 536, 603, 632, 684, 711, 804, 948, 1026, 1206, 1273, 1368, 1422, 1501, 1608, 1809, 1896, 2052, 2133, 2412, 2546, 2844, 3002, 3618, 3819, 4104, 4266, 4503, 4824, 5092, 5293, 5688, 6004, 7236, 7638, 8532, 9006, 10184, 10586, 11457, 12008, 13509, 14472, 15276, 15879, 17064, 18012, 21172, 22914, 27018, 30552, 31758, 34371, 36024, 40527, 42344, 45828, 47637, 54036, 63516, 68742, 81054, 91656, 95274, 100567, 108072, 127032, 137484, 142911, 162108, 190548, 201134, 274968, 285822, 301701, 324216, 381096, 402268, 571644, 603402, 804536, 905103, 1143288, 1206804, 1810206, 2413608, 2715309, 3620412, 5430618, 7240824, 10861236, 21722472]

約数ペア:

[(1, 21722472), (2, 10861236), (3, 7240824), (4, 5430618), (6, 3620412), (8, 2715309), (9, 2413608), (12, 1810206), (18, 1206804), (19, 1143288), (24, 905103), (27, 804536), (36, 603402), (38, 571644), (54, 402268), (57, 381096), (67, 324216), (72, 301701), (76, 285822), (79, 274968), (108, 201134), (114, 190548), (134, 162108), (152, 142911), (158, 137484), (171, 127032), (201, 108072), (216, 100567), (228, 95274), (237, 91656), (268, 81054), (316, 68742), (342, 63516), (402, 54036), (456, 47637), (474, 45828), (513, 42344), (536, 40527), (603, 36024), (632, 34371), (684, 31758), (711, 30552), (804, 27018), (948, 22914), (1026, 21172), (1206, 18012), (1273, 17064), (1368, 15879), (1422, 15276), (1501, 14472), (1608, 13509), (1809, 12008), (1896, 11457), (2052, 10586), (2133, 10184), (2412, 9006), (2546, 8532), (2844, 7638), (3002, 7236), (3618, 6004), (3819, 5688), (4104, 5293), (4266, 5092), (4503, 4824)]