21875850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:472

約数の個数: 72

約数和(自身を含む): 59323212

約数和(自身を除く): 37447362

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 173, 225, 281, 346, 450, 519, 562, 843, 865, 1038, 1405, 1557, 1686, 1730, 2529, 2595, 2810, 3114, 4215, 4325, 5058, 5190, 7025, 7785, 8430, 8650, 12645, 12975, 14050, 15570, 21075, 25290, 25950, 38925, 42150, 48613, 63225, 77850, 97226, 126450, 145839, 243065, 291678, 437517, 486130, 729195, 875034, 1215325, 1458390, 2187585, 2430650, 3645975, 4375170, 7291950, 10937925, 21875850]

約数ペア:

[(1, 21875850), (2, 10937925), (3, 7291950), (5, 4375170), (6, 3645975), (9, 2430650), (10, 2187585), (15, 1458390), (18, 1215325), (25, 875034), (30, 729195), (45, 486130), (50, 437517), (75, 291678), (90, 243065), (150, 145839), (173, 126450), (225, 97226), (281, 77850), (346, 63225), (450, 48613), (519, 42150), (562, 38925), (843, 25950), (865, 25290), (1038, 21075), (1405, 15570), (1557, 14050), (1686, 12975), (1730, 12645), (2529, 8650), (2595, 8430), (2810, 7785), (3114, 7025), (4215, 5190), (4325, 5058)]