21172650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 61228224

約数和(自身を除く): 40055574

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 23, 25, 30, 34, 38, 46, 50, 51, 57, 69, 75, 85, 95, 102, 114, 115, 138, 150, 170, 190, 230, 255, 285, 323, 345, 361, 391, 425, 437, 475, 510, 570, 575, 646, 690, 722, 782, 850, 874, 950, 969, 1083, 1150, 1173, 1275, 1311, 1425, 1615, 1725, 1805, 1938, 1955, 2166, 2185, 2346, 2550, 2622, 2850, 3230, 3450, 3610, 3910, 4370, 4845, 5415, 5865, 6137, 6555, 7429, 8075, 8303, 9025, 9690, 9775, 10830, 10925, 11730, 12274, 13110, 14858, 16150, 16606, 18050, 18411, 19550, 21850, 22287, 24225, 24909, 27075, 29325, 30685, 32775, 36822, 37145, 41515, 44574, 48450, 49818, 54150, 58650, 61370, 65550, 74290, 83030, 92055, 111435, 124545, 141151, 153425, 184110, 185725, 207575, 222870, 249090, 282302, 306850, 371450, 415150, 423453, 460275, 557175, 622725, 705755, 846906, 920550, 1114350, 1245450, 1411510, 2117265, 3528775, 4234530, 7057550, 10586325, 21172650]

約数ペア:

[(1, 21172650), (2, 10586325), (3, 7057550), (5, 4234530), (6, 3528775), (10, 2117265), (15, 1411510), (17, 1245450), (19, 1114350), (23, 920550), (25, 846906), (30, 705755), (34, 622725), (38, 557175), (46, 460275), (50, 423453), (51, 415150), (57, 371450), (69, 306850), (75, 282302), (85, 249090), (95, 222870), (102, 207575), (114, 185725), (115, 184110), (138, 153425), (150, 141151), (170, 124545), (190, 111435), (230, 92055), (255, 83030), (285, 74290), (323, 65550), (345, 61370), (361, 58650), (391, 54150), (425, 49818), (437, 48450), (475, 44574), (510, 41515), (570, 37145), (575, 36822), (646, 32775), (690, 30685), (722, 29325), (782, 27075), (850, 24909), (874, 24225), (950, 22287), (969, 21850), (1083, 19550), (1150, 18411), (1173, 18050), (1275, 16606), (1311, 16150), (1425, 14858), (1615, 13110), (1725, 12274), (1805, 11730), (1938, 10925), (1955, 10830), (2166, 9775), (2185, 9690), (2346, 9025), (2550, 8303), (2622, 8075), (2850, 7429), (3230, 6555), (3450, 6137), (3610, 5865), (3910, 5415), (4370, 4845)]