21703320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{167}}^1$

素因数の和:222

約数の個数: 144

約数和(自身を含む): 74889360

約数和(自身を除く): 53186040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 167, 171, 180, 190, 228, 285, 334, 342, 360, 361, 380, 456, 501, 570, 668, 684, 722, 760, 835, 855, 1002, 1083, 1140, 1336, 1368, 1444, 1503, 1670, 1710, 1805, 2004, 2166, 2280, 2505, 2888, 3006, 3173, 3249, 3340, 3420, 3610, 4008, 4332, 5010, 5415, 6012, 6346, 6498, 6680, 6840, 7220, 7515, 8664, 9519, 10020, 10830, 12024, 12692, 12996, 14440, 15030, 15865, 16245, 19038, 20040, 21660, 25384, 25992, 28557, 30060, 31730, 32490, 38076, 43320, 47595, 57114, 60120, 60287, 63460, 64980, 76152, 95190, 114228, 120574, 126920, 129960, 142785, 180861, 190380, 228456, 241148, 285570, 301435, 361722, 380760, 482296, 542583, 571140, 602870, 723444, 904305, 1085166, 1142280, 1205740, 1446888, 1808610, 2170332, 2411480, 2712915, 3617220, 4340664, 5425830, 7234440, 10851660, 21703320]

約数ペア:

[(1, 21703320), (2, 10851660), (3, 7234440), (4, 5425830), (5, 4340664), (6, 3617220), (8, 2712915), (9, 2411480), (10, 2170332), (12, 1808610), (15, 1446888), (18, 1205740), (19, 1142280), (20, 1085166), (24, 904305), (30, 723444), (36, 602870), (38, 571140), (40, 542583), (45, 482296), (57, 380760), (60, 361722), (72, 301435), (76, 285570), (90, 241148), (95, 228456), (114, 190380), (120, 180861), (152, 142785), (167, 129960), (171, 126920), (180, 120574), (190, 114228), (228, 95190), (285, 76152), (334, 64980), (342, 63460), (360, 60287), (361, 60120), (380, 57114), (456, 47595), (501, 43320), (570, 38076), (668, 32490), (684, 31730), (722, 30060), (760, 28557), (835, 25992), (855, 25384), (1002, 21660), (1083, 20040), (1140, 19038), (1336, 16245), (1368, 15865), (1444, 15030), (1503, 14440), (1670, 12996), (1710, 12692), (1805, 12024), (2004, 10830), (2166, 10020), (2280, 9519), (2505, 8664), (2888, 7515), (3006, 7220), (3173, 6840), (3249, 6680), (3340, 6498), (3420, 6346), (3610, 6012), (4008, 5415), (4332, 5010)]