21503250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{503}}^1$

素因数の和:545

約数の個数: 96

約数和(自身を含む): 61326720

約数和(自身を除く): 39823470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 125, 150, 171, 190, 225, 250, 285, 342, 375, 450, 475, 503, 570, 750, 855, 950, 1006, 1125, 1425, 1509, 1710, 2250, 2375, 2515, 2850, 3018, 4275, 4527, 4750, 5030, 7125, 7545, 8550, 9054, 9557, 12575, 14250, 15090, 19114, 21375, 22635, 25150, 28671, 37725, 42750, 45270, 47785, 57342, 62875, 75450, 86013, 95570, 113175, 125750, 143355, 172026, 188625, 226350, 238925, 286710, 377250, 430065, 477850, 565875, 716775, 860130, 1131750, 1194625, 1433550, 2150325, 2389250, 3583875, 4300650, 7167750, 10751625, 21503250]

約数ペア:

[(1, 21503250), (2, 10751625), (3, 7167750), (5, 4300650), (6, 3583875), (9, 2389250), (10, 2150325), (15, 1433550), (18, 1194625), (19, 1131750), (25, 860130), (30, 716775), (38, 565875), (45, 477850), (50, 430065), (57, 377250), (75, 286710), (90, 238925), (95, 226350), (114, 188625), (125, 172026), (150, 143355), (171, 125750), (190, 113175), (225, 95570), (250, 86013), (285, 75450), (342, 62875), (375, 57342), (450, 47785), (475, 45270), (503, 42750), (570, 37725), (750, 28671), (855, 25150), (950, 22635), (1006, 21375), (1125, 19114), (1425, 15090), (1509, 14250), (1710, 12575), (2250, 9557), (2375, 9054), (2515, 8550), (2850, 7545), (3018, 7125), (4275, 5030), (4527, 4750)]