21844710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 60585408

約数和(自身を除く): 38740698

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 61, 69, 90, 115, 122, 138, 173, 183, 207, 230, 305, 345, 346, 366, 414, 519, 549, 610, 690, 865, 915, 1035, 1038, 1098, 1403, 1557, 1730, 1830, 2070, 2595, 2745, 2806, 3114, 3979, 4209, 5190, 5490, 7015, 7785, 7958, 8418, 10553, 11937, 12627, 14030, 15570, 19895, 21045, 21106, 23874, 25254, 31659, 35811, 39790, 42090, 52765, 59685, 63135, 63318, 71622, 94977, 105530, 119370, 126270, 158295, 179055, 189954, 242719, 316590, 358110, 474885, 485438, 728157, 949770, 1213595, 1456314, 2184471, 2427190, 3640785, 4368942, 7281570, 10922355, 21844710]

約数ペア:

[(1, 21844710), (2, 10922355), (3, 7281570), (5, 4368942), (6, 3640785), (9, 2427190), (10, 2184471), (15, 1456314), (18, 1213595), (23, 949770), (30, 728157), (45, 485438), (46, 474885), (61, 358110), (69, 316590), (90, 242719), (115, 189954), (122, 179055), (138, 158295), (173, 126270), (183, 119370), (207, 105530), (230, 94977), (305, 71622), (345, 63318), (346, 63135), (366, 59685), (414, 52765), (519, 42090), (549, 39790), (610, 35811), (690, 31659), (865, 25254), (915, 23874), (1035, 21106), (1038, 21045), (1098, 19895), (1403, 15570), (1557, 14030), (1730, 12627), (1830, 11937), (2070, 10553), (2595, 8418), (2745, 7958), (2806, 7785), (3114, 7015), (3979, 5490), (4209, 5190)]