21833910

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4951}}^1$

素因数の和:4978

約数の個数: 72

約数和(自身を含む): 66049776

約数和(自身を除く): 44215866

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4951, 9902, 14853, 24755, 29706, 34657, 44559, 49510, 69314, 74265, 89118, 103971, 148530, 173285, 207942, 222795, 242599, 311913, 346570, 445590, 485198, 519855, 623826, 727797, 1039710, 1212995, 1455594, 1559565, 2183391, 2425990, 3119130, 3638985, 4366782, 7277970, 10916955, 21833910]

約数ペア:

[(1, 21833910), (2, 10916955), (3, 7277970), (5, 4366782), (6, 3638985), (7, 3119130), (9, 2425990), (10, 2183391), (14, 1559565), (15, 1455594), (18, 1212995), (21, 1039710), (30, 727797), (35, 623826), (42, 519855), (45, 485198), (49, 445590), (63, 346570), (70, 311913), (90, 242599), (98, 222795), (105, 207942), (126, 173285), (147, 148530), (210, 103971), (245, 89118), (294, 74265), (315, 69314), (441, 49510), (490, 44559), (630, 34657), (735, 29706), (882, 24755), (1470, 14853), (2205, 9902), (4410, 4951)]